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In Stock. Can Ship Monday- Details

StarTech 1 Port Low Profile PCI Express DB-9 RS232 Serial Card

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Genuine NZ new item

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Today's Price:

$110.61incl gst

Free Delivery

In Stock. Can Ship Monday- Details

Estimated Delivery Time

  • Auckland
    1 Day
  • North Island
    1-2 Days
  • South Island
    1-3 Days

Product Description:

Special Product Offer:

Receive an additional 7% discount on any Startech quote when requesting a minimum of 5 units for Government & Public Sector Agencies/Organisations. Please state your organisation details when requesting a quote from our team. T&C apply.

StarTech 1 Port Low Profile PCI Express DB-9 RS232 Serial Card

The PEX1S553LP PCI Express Serial Card turns a PCI Express slot into an RS232 (DB9) serial connection. The card is constructed using a native single chip design that lets you harness the full capability offered by PCI Express (PCIe), while reducing the load applied to the CPU by as much as 48% over conventional bridge chip serial cards.


1 Port Serial Card:
Serial controller card w/ 16550 UART based on ASIX MCS9922CV-AA, allows 1x DB9 port w/bi-directional RS232 speeds up to 460.8Kbps per port, available 256 byte FIFO buffer; Upgraded version of our popular card PEX1S552LP

Optional Configurable Power:
PCI Express RS232 serial adapter card provides choice of 12v, 5v, or none through pin 9

Standard Profile & Low-Profile Bracket:
PCIe serial card comes w/ a low profile bracket pre-installed & 1x full profile bracket is incl for versatile install; Supports Windows & Linux

Versatile Applications:
For low/standard profile desktop/servers w/ uses in point-of-sale terminals, PLCs, control/automation in factories, scientific sensors, medical equipment, scanner, oscilloscope


• Bus Type: PCI Express
• Card Type: Low Profile (SP bracket incl.)
• Chipset ID: ASIX - MCS9922CV-AA
• Interface: Serial
• Port Style: Integrated on Card
• Ports: 1

• FIFO: TX: 1 Byte, RX: 1-255 Byte (depending on mode)
• Max Baud Rate: 460.8 Kbps
• Serial Protocol: RS-232

• Connector Type(s): 1x PCI Express x1
• External Ports: 1x DB-9 (9 pin, D-Sub)
• Internal Ports: 1x LP4 (4 pin; Large Drive Power)

• Humidity: 5~85% RH
• Operating Temperature: -10°C to 80°C (14°F to 176°F)
• Storage Temperature: -20°C to 100°C (-4°F to 212°F)

Physical Characteristics:
• Product Height: 20 mm
• Product Length: 105 mm
• Product Weight: 44 g
• Product Width: 80 mm
• Color: Green
• Material: Steel

• Input Voltage: 12V DC
• Output Voltage: 12V DC


OS Compatibility:
• Windows DOS, 95, 98SE, 2000, CE 5.0/6.0, Embedded System 2009, POS Ready 2009, XP Embedded, XP, Vista, 7, 8, 8.1, 10, 11
• Windows Server 2003, 2008 R2, 2012, 2012 R2, 2016, 2019, 2022
• Mac OS X 10.4 to 10.10
• Linux kernel 2.6.x and up LTS Versions only
• Microsoft WHQL Certified: Yes

Package Contents:

• 1x 1 Port PCI-Express Serial Card
• 1x Full Profile Bracket
• 1x Driver CD
• 1x Instruction Manual

Questions & Answers

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Additional Details:

  • Stock Availability: 5 In Stock Now
  • Warranty: 2 Years
  • Manufacturer: StarTech Shop
  • Product Found In: Add On Cards
  • Model Number: PEX1S553LP
  • Part Number: T42364